USGS Water-Year Summary 2020
02228500 NORTH PRONG ST. MARYS RIVER AT MONIAC, GA
LOCATION - Lat 30°31'03", long 82°13'50" referenced to North American Datum of 1927, in NW 1/4 sec.08, T.1 N., R.21 E., Baker County, FL, Hydrologic Unit 03070204, at middle of channel at downstream side of bridge on State Highways 2 and 94, 950 ft upstream from Georgia Southern & Florida Railway bridge, 0.5 mi west of Moniac, and 1.0 mi downstream from Moccasin Creek.
DRAINAGE AREA - 160 mi². includes part of watershed in Okefenokee Swamp, which is indeterminate.
- WSP 1234: Drainage area.
PERIOD OF RECORD - January 1921 to December 1923 (published as St. Marys River at Moniac), January 1927 to June 1930, July 1932 to June 1934, October 1950 to September 1989. October 1989 to July 1990 (discharge measurements only), August 1990 to September 2004, October 2006 to current year.
GAGE - Water-stage recorder and data-collection platform. Datum of gage is 89.40 ft above NGVD of 1929 and 88.46 ft above NAVD of 1988. Prior to June 30, 1934, nonrecording gage at site 800 ft downstream at datum 3.22 ft higher. Oct. 3, 1950 to Oct. 17, 1988, water-stage recorder, Oct. 17, 1988 to Aug. 10, 1990, non-recording gage, at present site and datum.
COOPERATION - This gage is monitored in cooperation with the St. Johns River Water Management District and the USGS- Federal Priority Streamgages.